//
//  WelcomeViewController.swift
//  LX_weibo
//
//  Created by LTT❤️ on 15/7/1.
//  Copyright © 2015年 LTT. All rights reserved.
//

import UIKit
import SDWebImage

class WelcomeViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        //设置头像
        if let urlString = sharedUserAccount?.avatar_large{
            iconView.sd_setImageWithURL(NSURL(string: urlString)!, completed: { (_, _, _, _) -> Void in
                let data:NSData? = UIImagePNGRepresentation(self.iconView.image!)
                let docPath:NSString = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true).last!
                let fileName = docPath.stringByAppendingPathComponent("liang.png")
                if  data!.writeToFile(fileName, atomically: true)
                {
                    print(docPath)
                }else{
                    print("error")
                }
            })
          
        }

        // Do any additional setup after loading the view.
    }
    override func viewDidAppear(animated: Bool) {
        super.viewDidAppear(animated)
        bottomConstraint?.constant = -(UIScreen.mainScreen().bounds.height-200)
        UIView.animateWithDuration(1.5, delay: 0, usingSpringWithDamping: 0.8, initialSpringVelocity: 10.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: {
           self.view.layoutIfNeeded()
            }) { _ in
             UIView.animateWithDuration(1.0, animations: {
                self.messageLabel.alpha = 1.0
                }, completion: { _ in
                   NSNotificationCenter.defaultCenter().postNotificationName(WBSwitchRootVcNotification, object: true)
             })
                print("ok")
        }
        
    }
    
    
    //头像底部约束
    var bottomConstraint :NSLayoutConstraint?
    
    //设置界面控件
    override func loadView() {
        view = UIView()
        let backImageView = UIImageView(image: UIImage(named: "ad_background"))
        view.addSubview(backImageView)
        view.addSubview(iconView)
        view.addSubview(messageLabel)
        //设置自动布局
      backImageView.translatesAutoresizingMaskIntoConstraints = false
       view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|[subView]|", options: NSLayoutFormatOptions.AlignAllBaseline, metrics: nil, views: ["subView":backImageView]))
         view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|[subView]|", options: NSLayoutFormatOptions.AlignAllBaseline, metrics: nil, views: ["subView":backImageView]))
        
        iconView.translatesAutoresizingMaskIntoConstraints = false
        view.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: view, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        bottomConstraint = NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: view, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: -160)
        view.addConstraint(bottomConstraint!)
        
        view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:[subView(85)]", options: NSLayoutFormatOptions.AlignAllBaseline, metrics: nil, views: ["subView":iconView]))
        view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:[subView(85)]", options: NSLayoutFormatOptions.AlignAllBaseline, metrics: nil, views: ["subView":iconView]))
        
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        view.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: view, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        view.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 8))
        
        
    }
    
    lazy var iconView:UIImageView = {
        let iv = UIImageView(image:UIImage(named: "avatar_default_big"))
        
        //圆形
        iv.layer.masksToBounds = true
        iv.layer.cornerRadius = 45
        
        return iv
    }()
    lazy var messageLabel :UILabel = {
        let label = UILabel()
        label.text = "欢迎归来"
        label.sizeToFit()
        label.alpha = 0
        return label
    }()
    
    
}
